| Disposal Groups, Including Discontinued Operations [Table Text Block] |
Carrying amounts of assets disposed | | | December 31, | | | | | 2015 | | | | | HK$ | | | | | | | | | Cash and cash equivalents | | | 163,696 | | | Trade receivables, net | | | 303,681 | | | Inventories | | | 105,221 | | | Deposits, prepayment and other receivables | | | 42,345 | | | Tax prepayment | | | 3,431 | | | Current assets of discontinued operations | | | 618,374 | | | | | | | | | Property, plant and equipment, net | | | 190,776 | | | Deferred tax assets | | | 13,260 | | | Non-current assets of discontinued operations | | | 204,036 | | | Total assets of discontinued operations | | | 822,410 | | Carrying amounts of liabilities disposed | | | December 31, | | | | | 2015 | | | | | HK$ | | | | | | | | | Bank borrowings | | | 29,223 | | | Trade payables | | | 111,659 | | | Other payables and accruals | | | 141,606 | | | Tax payable | | | 65,107 | | | Current liabilities of disposal liabilities | | | 347,595 | | | Total liabilities of disposal liabilities | | | 347,595 | | Consolidated statement of operations and comprehensive income | | | For the year ended December 31, | | | | | 2015 | | 2016 | | 2017 | | | | | HK$ | | HK$ | | HK$ | | | | | | | | | | | | | | | Revenue | | | 1,298,493 | | | 1,073,536 | | | - | | | Cost of sales | | | (977,851) | | | (778,059) | | | - | | | | | | | | | | | | | | | Gross profit | | | 320,642 | | | 295,477 | | | - | | | Other revenue | | | 6,200 | | | 5,897 | | | - | | | Selling, general and administrative expenses | | | (158,882) | | | (125,520) | | | - | | | Gain/(loss) on disposal of property, plant and equipment | | | (841) | | | 1,197 | | | - | | | Written off of property, plant and equipment | | | (2,798) | | | - | | | - | | | Gain on disposal of PIHL | | | - | | | 540,921 | | | 141,341 | | | Interest income | | | 311 | | | 294 | | | - | | | Finance costs | | | (1,428) | | | (545) | | | - | | | | | | | | | | | | | | | Profit before income tax | | | 163,204 | | | 717,721 | | | - | | | Income tax expense | | | (29,952) | | | (31,187) | | | - | | | | | | | | | | | | | | | Profit for the year | | | 133,252 | | | 686,534 | | | 141,341 | | | | | | | | | | | | | | | Other comprehensive income | | | | | | | | | | | | Exchange gain on translation of financial statements of foreign operations | | | (1,566) | | | (12,241) | | | - | | | Income from discontinued operations attributable to members of the Company | | | 131,686 | | | 674,293 | | | 141,341 | |
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